149629887 has 24 divisors (see below), whose sum is σ = 242158800. Its totient is φ = 88231680.

The previous prime is 149629867. The next prime is 149629897. The reversal of 149629887 is 788926941.

149629887 is a `hidden beast` number, since 1 + 4 + 9 + 629 + 8 + 8 + 7 = 666.

It is not a de Polignac number, because 149629887 - 2¹¹ = 149627839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149629867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16762 + ... + 24087.

It is an arithmetic number, because the mean of its divisors is an integer number (10089950).

Almost surely, 2^149629887 is an apocalyptic number.

149629887 is a deficient number, since it is larger than the sum of its proper divisors (92528913).

149629887 is a wasteful number, since it uses less digits than its factorization.

149629887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40903 (or 40900 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 149629887 is about 12232.3295818908. The cubic root of 149629887 is about 530.8919205057.

It can be divided in two parts, 149 and 629887, that added together give a palindrome (630036).

The spelling of 149629887 in words is "one hundred forty-nine million, six hundred twenty-nine thousand, eight hundred eighty-seven".